@article{01690707, title = {Direct method for variational problems via hybrid of block-pulse and Chebyshev functions.}, journal = {Mathematical Problems in Engineering}, volume = {5}, year = {2000}, pages = {85-97}, doi = {10.1155/S1024123X00001265}, zbl = {0987.65055}, language = {en}, url = {http://dml.mathdoc.fr/item/01690707} }
Razzaghi, Mohsen; Marzban, Hamid-Reza. Direct method for variational problems via hybrid of block-pulse and Chebyshev functions.. Mathematical Problems in Engineering, Tome 5 (2000) pp. 85-97. doi : 10.1155/S1024123X00001265. http://gdmltest.u-ga.fr/item/01690707/